CN102194413B - Writing-in device for rewritable displaying medium - Google Patents
Writing-in device for rewritable displaying medium Download PDFInfo
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- CN102194413B CN102194413B CN201010145343A CN201010145343A CN102194413B CN 102194413 B CN102194413 B CN 102194413B CN 201010145343 A CN201010145343 A CN 201010145343A CN 201010145343 A CN201010145343 A CN 201010145343A CN 102194413 B CN102194413 B CN 102194413B
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Abstract
The invention discloses a writing-in device for a rewritable displaying medium. The writing-in device comprises a driving unit, a pixel array unit, an illumination unit and a photoinduction element, wherein the driving unit is used for providing a plurality of data signals and a plurality of grid signals; the pixel array unit is used for writing the data signals into a rewritable display medium according to the grid signals; the illumination unit is used for supplying a light source to irradiate the rewritable display medium through the pixel array unit; and the photoinduction element is used for inducing light reflected by the rewritable display medium to generate photoinduction signals, so that the driving unit can regulate the corresponding data signals according to the photoinduction signals so as to carry out precise writing-in operation.
Description
Technical field
The present invention refers to a kind of writing station of tool pixel gray level feedback mechanism especially relevant for a kind of writing station of duplicative show media, is used for carrying out the running that writes of duplicative show media.
Background technology
Advantages such as flat display apparatus (Flat Panel Display) has that external form is frivolous, power saving and low radiation are so be widely used on the electronic products such as computer screen, mobile phone, PDA(Personal Digital Assistant), flat-surface television.In in recent years, display manufacturer has also been developed electrophoretic display apparatus (claiming Electronic Paper again, Electronic Paper), so that more frivolous, soft and portable display further to be provided.Fig. 1 is the configuration diagram of conventional electrophoretic display device.As shown in Figure 1, electrophoretic display apparatus 100 comprises gate driver circuit 110, data drive circuit 120, a plurality of thin film transistor (TFT) 130 and a plurality of electrophoresis electric capacity 140.Gate driver circuit 110 is to be used to provide a plurality of signals, and data drive circuit 120 is to be used to provide a plurality of data-signals.A plurality of charged particles that each electrophoresis electric capacity 140 comprises electrophoretic medium and is suspended in electrophoretic medium, wherein the color of a plurality of charged is the colors that are different from electrophoretic medium.Thin film transistor (TFT) 130 is the runnings that write according to the signal control data signal; Change the voltage difference at electrophoretic medium two ends according to this and adjust the levitation position of a plurality of charged particles in electrophoretic medium, so through the color contrast between a plurality of charged particles and the electrophoretic medium to represent required pixel gray level.
Yet,,, also promptly quite limited on using so cost is high and the highly-flexible degree can't be provided owing to gate driver circuit 110 and data drive circuit 120 all are integrated in the electrophoretic display apparatus 100.In addition, if deformation takes place in electrophoretic display apparatus 100, then also distortion thereupon of its images displayed, thereby reduce the demonstration precision.
Summary of the invention
The object of the present invention is to provide a kind of writing station,, make the picture that is written into have the high precision that shows to be used for carrying out the running that writes of duplicative show media.
Disclose a kind of writing station according to embodiments of the invention, be used for the duplicative show media carried out writing running.This kind writing station comprises driver element, pixel-array unit, luminescence unit and photoinduction unit.Driver element is to be used to provide a plurality of data-signals and a plurality of signal.Pixel-array unit is electrically connected on driver element to receive a plurality of data-signals and a plurality of signal, is used for according to a plurality of signals a plurality of data-signals being write the duplicative show media.Pixel-array unit comprises a plurality of pixel cells, and each pixel cell comprises pixel transistor and pixel electrode.Pixel transistor comprises first end, second end and gate terminal, and wherein first end is electrically connected on driver element to receive the corresponding data signal, and gate terminal is electrically connected on driver element to receive corresponding signal.Pixel electrode is electrically connected on second end of pixel transistor.Luminescence unit is to be used to provide light source, and this light source can see through pixel-array unit and shine the duplicative show media.Photoinduction element is to be arranged in the pixel cell, and the reflected light that is used for responding to the duplicative show media is to produce photoreceptor signal.Under the running of luminescence unit, driver element can further be used for according to photoreceptor signal with adjustment corresponding data signal.
Also disclose a kind of writing station according to embodiments of the invention, be used for the duplicative show media carried out writing running with display frame.This kind writing station comprises driver element, pixel-array unit, luminescence unit and a plurality of rolling unit.Driver element is to be used to provide a plurality of data-signals.Pixel-array unit is electrically connected on driver element to receive a plurality of data-signals, is used for a plurality of data-signals are write duplicative show media, display frame according to this.Pixel-array unit comprises a plurality of pixel cells, and each pixel cell comprises pixel electrode and photoinduction element.Pixel electrode is electrically connected on driver element to receive the corresponding data signal.Photoinduction element is to be embedded in the pixel electrode, and the reflected light that is used for responding to the duplicative show media is to produce photoreceptor signal.Luminescence unit is to be used to provide light source, and this light source is to shine the duplicative show media through pixel-array unit.A plurality of rolling units are to be used for transmission duplicative show media.Under the running of luminescence unit, driver element can further be used for according to photoreceptor signal with adjustment corresponding data signal.
In sum; The application of the invention writing station is carried out and is write running, and the duplicative show media is not built any writing mechanism in just not needing, and therefore can significantly reduce the cost of duplicative show media; And the duplicative show media of tool highly-flexible degree can be provided, it is used have more elasticity.In addition; Even duplicative show media generation deformation; Writing station of the present invention can compensate the write error that is caused by the inhomogeneous space between duplicative show media and the writing station, or compensates the write error that other factors cause, so the picture that is written into has the high precision that shows.
Description of drawings
Fig. 1 is the configuration diagram of conventional electrophoretic display device;
Fig. 2 is the diagrammatic cross-section of the writing station of first embodiment of the invention;
Fig. 3 is the electrical block diagram of writing station shown in Figure 2;
Fig. 4 is the diagrammatic cross-section of the writing station of second embodiment of the invention;
Fig. 5 is the diagrammatic cross-section of the writing station of third embodiment of the invention;
Fig. 6 is the electrical block diagram of print unit shown in Figure 5;
Fig. 7 is the diagrammatic cross-section of the writing station of fourth embodiment of the invention.
Drawing reference numeral
100 electrophoretic display apparatus
110,252 gate driver circuits
120,251,551 data drive circuits
130 thin film transistor (TFT)s
140 electrophoresis electric capacity
210,310,510,610 writing stations
220,320,520,620 pixel-array unit
221 pixel transistors
222,522 pixel electrodes
223,323,523 photoinduction elements
224 array base paltes
225,525 pixel cells
226 gate lines
227,527 data lines
230,330,530,630 luminescence units
240,388,540,688 common electrodes
250,350,550,650 driver elements
253,553 feedback processing circuit
258,558 storeies
280,380,580,680 duplicative show medias
281,381,581,681 charged particles
282,382,582,682 electrophoretic mediums
283,383,583,683 subtend substrates
284,384,584,684 transparency carriers
515,615 print units
570 unit of erasing
572 voltages of erasing provide the unit
575 electrodes of erasing
595,695 rolling units
The Vcom common voltage
Embodiment
Hereinafter is according to the writing station of duplicative show media of the present invention, and the special embodiment that lifts cooperates appended accompanying drawing to elaborate, but the embodiment that is provided not is the scope that contains in order to restriction the present invention.
Fig. 2 is the diagrammatic cross-section of the writing station of first embodiment of the invention.As shown in Figure 2, writing station 210 is to be used for duplicative show media 280 is write running, and wherein duplicative show media 280 is the show media based on the driven pattern, such as electrophoretic display apparatus (ElectrophoreticDisplay; EPD), liquid powder display device (Liquid Powder Display; LPD) and cholesteric liquid crystal device (Cholesteric Liquid Crystal Display; Ch-LCD) etc.Be convenient explanation, hereinafter is with the embodiment of electrophoretic display apparatus as duplicative show media 280, and it has a plurality of charged particle 281, electrophoretic medium 282, transparency carrier 284 and subtend substrate 283.Writing station 210 comprises pixel-array unit 220, luminescence unit 230, common electrode 240, driver element 250 and a plurality of photoinduction element 223.Driver element 250 is to be used for converting a plurality of image input signals into a plurality of data-signals.In addition, driver element 250 also is used to provide common voltage Vcom and a plurality of signal.Common electrode 240 is electrically connected on driver element 250, is used for receiving common voltage Vcom.Pixel-array unit 220 is electrically connected on driver element 250 to receive a plurality of data-signals and a plurality of signal; Be used for cooperating the common voltage Vcom of common electrodes 240, a plurality of data-signals are write duplicative show media 280 with display frame according to a plurality of signals.Luminescence unit 230 is to be used for the writing in the running of duplicative show media 280, provides and carries out the required light source of pixel gray level feedback process.
Pixel-array unit 220 comprises a plurality of pixel cells 225 and array base palte 224.A plurality of pixel cells 225 are to be arranged on the array base palte 224.Each pixel cell 225 comprises pixel transistor 221 and pixel electrode 222.Pixel transistor 221 is thin film transistor (TFT) (Thin Film Transistor) or field-effect transistor (Field Effect Transistor).Pixel transistor 221 is to be used for according to corresponding signal the corresponding data signal being fed into pixel electrode 222, cooperates the common voltage Vcom of common electrode 240 to carry out the running that writes of duplicative show media 280 according to this.Each photoinduction element 223 is in the respective pixel unit 225, be used for the reflected light of inducing luminous unit 230 irradiation duplicative show medias 280 producing photoreceptor signal, and driver element 250 can be used for further according to photoreceptor signal with adjustment corresponding data signal.
Fig. 3 is the electrical block diagram of writing station shown in Figure 2.As shown in Figure 3, in the circuit structure of writing station 210, a plurality of gate lines 226 are to be used for transmitting a plurality of signals that driver element 250 is provided, and a plurality of data lines 227 are to be used for transmitting a plurality of data-signals that driver element 250 is provided.Each pixel transistor 221 comprises first end, second end and gate terminal; Wherein first end is electrically connected on respective data lines 227 to receive the corresponding data signal; Gate terminal is electrically connected on corresponding gate line 226 to receive corresponding signal, and second end is electrically connected on respective pixel electrode 222.
From the above, duplicative show media 280 does not comprise any writing mechanism, therefore can reduce cost and provide the highly-flexible degree, it is used have more elasticity.In addition; Even deformation takes place in duplicative show media 280; Because of each pixel region of picture to be written is 225 definition in respective pixel unit by the pixel-array unit 220 of writing station 210; And the pixel gray level feedback mechanism that feedback processing circuit 253 and data drive circuit 251 are provided can compensate the write error that cause in the inhomogeneous space between duplicative show media 280 and the writing station 210; Or compensate the write error that other factors cause, so the picture that is written into has the high precision that shows.
Fig. 4 is the diagrammatic cross-section of the writing station of second embodiment of the invention.As shown in Figure 4; Writing station 310 is to be used for duplicative show media 380 is write running, wherein has a plurality of charged particle 381, electrophoretic medium 382, transparency carrier 384, subtend substrate 383 and common electrode 388 with electrophoretic display apparatus as the duplicative show media 380 of embodiment.When writing of execution duplicative show media 380 operated, its common electrode 388 was to be electrically connected on writing station 310 to receive common voltage Vcom, and in addition, common electrode 388 need not be electrically connected on writing station 310.Writing station 310 comprises pixel-array unit 320, luminescence unit 330, driver element 350 and a plurality of photoinduction element 323.Please note; Because duplicative show media 380 has comprised common electrode 388; So writing station 310 just need not comprise common electrode, and driver element 350 is when writing running, common voltage Vcom is fed into the common electrode 388 of duplicative show media 380.The structure of pixel-array unit 320, luminescence unit 330, photoinduction element 323 and driver element 350 and functional operation are to be analogous to Fig. 2 and pixel-array unit 220, luminescence unit 230, photoinduction element 223 and driver element 250 shown in Figure 3, repeat no more.
Fig. 5 is the diagrammatic cross-section of the writing station of third embodiment of the invention.As shown in Figure 5; Writing station 510 is to be used for duplicative show media 580 is write running, wherein has a plurality of charged particle 581, electrophoretic medium 582, transparency carrier 584 and subtend substrate 583 with electrophoretic display apparatus as the duplicative show media 580 of embodiment.Writing station 510 comprises print unit 515, common electrode 540, erase (erase) unit 570 and a plurality of rolling unit 595.Print unit 515 comprises pixel-array unit 520, luminescence unit 530 and driver element 550.A plurality of rolling units 595 comprise a plurality of cylinders and/or a plurality of roller.Driver element 550 is to be used for converting a plurality of image input signals into a plurality of data-signals.In addition, driver element 550 is used to provide common voltage Vcom in addition.Common electrode 540 can be the drum-type electrode, and it is to be electrically connected on driver element 550 to receive common voltage Vcom.Pixel-array unit 520 is electrically connected on driver element 550 to receive a plurality of data-signals; Be used for cooperating the common voltage Vcom of common electrode 540, a plurality of data-signals are write duplicative show media 580 with display frame in regular turn with the pattern that writes of each at least one row.That is to say that in the process of a plurality of rolling unit 595 transmission duplicative show medias 580, pixel-array unit 520 is that the pattern that writes with each at least one row writes duplicative show media 580 with display frame with a plurality of data-signals in regular turn.Luminescence unit 530 is to be used for the writing in the running of duplicative show media 580, provides and carries out the required light source of pixel gray level feedback process.
The unit 570 of erasing is arranged at a side of print unit 515; Duplicative show media 580 picture before is used for erasing; Also promptly before print unit 515 is carried out each row and write running, the data-signal of a picture before to be written the falling in lines of erasing earlier quickens to write operational paradigm according to this.The unit 570 of erasing comprises that the voltage of erasing provides unit 572 and two electrode 575 of erasing, and the electrode 575 of wherein erasing can be the drum-type electrode.It is to be used to provide the duplicative show media 580 required voltage of erasing of a picture before of erasing that the voltage of erasing provides unit 572.The electrode 575 of erasing is electrically connected on the voltage of erasing unit 572 is provided, and is used for receiving erasing voltage so that duplicative show media 580 is carried out the running of erasing.In another embodiment, the unit 570 of erasing includes only the voltage of erasing unit 572 and the single electrode 575 of erasing is provided, and the voltage of erasing provides unit 572 then to have the electrode function of erasing concurrently.Note that print unit 515 is to have the operational function of erasing concurrently, the unit 570 of also promptly erasing can omit to save the cost of writing station 510.
Pixel-array unit 520 comprises a plurality of pixel cells 525.Each pixel cell 525 comprises pixel electrode 522 and photoinduction element 523.Pixel electrode 522 is to be used for receiving the corresponding data signal, cooperates the common voltage Vcom of common electrode 540 to carry out the running that writes of duplicative show media 580 according to this.Photoinduction element 523 is to be embedded in the pixel electrode 522, be used for the reflected light of inducing luminous unit 530 irradiation duplicative show medias 580 producing photoreceptor signal, and driver element 550 can be used for further according to photoreceptor signal with adjustment corresponding data signal.
Fig. 6 is the electrical block diagram of print unit shown in Figure 5.As shown in Figure 6, in the circuit structure of print unit 515, a plurality of data lines 527 are to be used for a plurality of data to a plurality of pixel electrodes 522 that driver element 550 is provided.Note that in the embodiment of Fig. 6 pixel-array unit 520 includes only a row pixel cell 525, thus pixel-array unit 520 be with each one row the pattern that writes in regular turn a plurality of data-signals are write duplicative show media 580 with display frame.In another embodiment, pixel-array unit 520 can comprise a plurality of row pixel cells 525, in regular turn a plurality of data-signals is write duplicative show media 580 with display frame so pixel-array unit 520 is the patterns that write with each a plurality of row.Driver element 550 comprises data drive circuit 551, feedback processing circuit 553 and storer 558.Data drive circuit 551 is electrically connected on a plurality of data lines 527, is used for converting a plurality of image input signals into a plurality of data-signals and is fed into a plurality of data lines 527.Feedback processing circuit 553 is electrically connected on data drive circuit 551 and a plurality of photoinduction elements 523; The a plurality of photoreceptor signals that are used for being produced according to a plurality of photoinduction elements 523 are providing a plurality of feedback signals to data drive circuit 551, and data drive circuit 551 further can be according to a plurality of feedback signals to adjust a plurality of data-signals.Also be; Data drive circuit 551 can cooperate feedback processing circuit 553 so that the pixel gray level feedback mechanism to be provided; Be used for compensating the write error that cause in the inhomogeneous space between duplicative show media 580 and the print unit 515, or compensate the write error that causes because of factors such as element characteristic variation, temperature variation.Storer 558 is nonvolatile memory or volatile storage.Storer 558 is electrically connected on data drive circuit 551 and a plurality of photoinduction elements 523; Be used for storing a plurality of photoreceptor signals that a plurality of photoinduction elements 523 are produced, be fed into pixel-array unit 520 and data drive circuit 551 can be used for converting storer 558 stored a plurality of photoreceptor signals into a plurality of data-signals in addition.In other words, writing station 510 can provide the picture of a duplicative show media (or a common paper) to another duplicative show media to reprint function.Note that storer 558 can omit in not containing the writing station 510 that picture reprints function.
From the above, duplicative show media 580 does not comprise any writing mechanism, therefore can reduce cost and provide the highly-flexible degree, it is used have more elasticity.In addition; Even deformation takes place in duplicative show media 580; Because of each pixel region of picture to be written is 525 definition in respective pixel unit by the pixel-array unit 520 of writing station 510; And the pixel gray level feedback mechanism that feedback processing circuit 553 and data drive circuit 551 are provided can compensate the write error that cause in the inhomogeneous space between duplicative show media 580 and the print unit 515; Or compensate the write error that other factors cause, so the picture that is written into has the high precision that shows.
Fig. 7 is the diagrammatic cross-section of the writing station of fourth embodiment of the invention.As shown in Figure 7; Writing station 610 is to be used for duplicative show media 680 is write running, wherein has a plurality of charged particle 681, electrophoretic medium 682, transparency carrier 684, subtend substrate 683 and common electrode 688 with electrophoretic display apparatus as the duplicative show media 680 of embodiment.When writing of execution duplicative show media 680 operated, its common electrode 688 was to be electrically connected on writing station 610 to receive common voltage Vcom, and in addition, common electrode 688 need not be electrically connected on writing station 610.Writing station 610 comprises print unit 615, erase unit 570 and a plurality of rolling unit 695, and the structure of the unit 570 of wherein erasing and functional operation are with the above.A plurality of rolling units 695 comprise a plurality of cylinders and/or a plurality of roller.Print unit 615 comprises pixel-array unit 620, luminescence unit 630 and driver element 650.Note that because duplicative show media 680 has comprised common electrode 688, so writing station 610 just need not comprise common electrode, and with the opposite side of print unit 615 corresponding duplicative show medias 680 be that rolling unit 695 is set.Driver element 650 is intended to be in the ablation process of carrying out duplicative show media 680, common voltage Vcom is fed into the common electrode 688 of duplicative show media 680.The structure of pixel-array unit 620, luminescence unit 630 and driver element 650 and functional operation are to be analogous to pixel-array unit shown in Figure 5 520, luminescence unit 530 and driver element 550, repeat no more.
In sum; The application of the invention writing station is carried out and is write running, and the duplicative show media is not built any writing mechanism in just not needing, and therefore can significantly reduce the cost of duplicative show media; And the duplicative show media of tool highly-flexible degree can be provided, it is used have more elasticity.In addition; Even duplicative show media generation deformation; Because of each pixel region of picture to be written is that respective pixel unit by the pixel-array unit of writing station of the present invention defines; And the pixel gray level feedback mechanism that the feedback processing circuit and the data drive circuit of writing station of the present invention are provided can compensate the write error that cause in the inhomogeneous space between duplicative show media and the writing station; Or compensate the write error that other factors cause, so the picture that is written into has the high precision that shows.
Though the present invention discloses as above with embodiment; Right its is not that any those skilled in the art are not breaking away from the spirit and scope of the present invention in order to qualification the present invention; When can doing various changes and retouching, so claims of before looking, attaching of protection scope of the present invention define and are as the criterion.
Claims (17)
1. a writing station is characterized in that, the said write device is used for a duplicative show media carried out and writes running, and the said write device comprises:
One driver element is used to provide a plurality of data-signals and a plurality of signal;
One pixel-array unit; Be electrically connected on said driver element to receive said a plurality of data-signal and said a plurality of signal; Be used for said a plurality of data-signals being write said duplicative show media according to said a plurality of signals; Said pixel-array unit comprises a plurality of pixel cells, and each pixel cell comprises:
One pixel transistor; Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on said driver element to receive a corresponding data-signal of said a plurality of data-signals, and said gate terminal is electrically connected on said driver element to receive a corresponding signal of said a plurality of signals; And
One pixel electrode is electrically connected on second end of said pixel transistor;
One luminescence unit is used to provide a light source, and said light source is to shine said duplicative show media through said pixel-array unit; And
One photoinduction element is arranged in the said pixel cell, and the reflected light that is used for responding to said duplicative show media is to produce a photoreceptor signal, and wherein said driver element further is used for according to said photoreceptor signal to adjust said corresponding data signal.
2. writing station as claimed in claim 1 is characterized in that, said driver element also is used to provide uses voltage altogether, and the said write device also comprises:
Use electrode altogether, be electrically connected on said driver element to receive said common voltage.
3. writing station as claimed in claim 1 is characterized in that, said duplicative show media comprises uses electrode, said driver element also to be used to provide the common electrode that is fed into said duplicative show media altogether with voltage altogether.
4. writing station as claimed in claim 1 is characterized in that, said driver element comprises:
One gate driver circuit is electrically connected on said pixel-array unit, is used to provide said a plurality of signal;
One data drive circuit is electrically connected on said pixel-array unit, is used for converting a plurality of image input signals into said a plurality of data-signal; And
One feedback processing circuit is electrically connected on said data drive circuit and said photoinduction element, is used for being fed into said data drive circuit according to said photoreceptor signal so that a feedback signal to be provided;
Wherein said data drive circuit according to said feedback signal to adjust said corresponding data signal.
5. writing station as claimed in claim 4 is characterized in that, said driver element also comprises:
One storer is electrically connected on said data drive circuit and said photoinduction element, is used for storing said photoreceptor signal;
Wherein said storer is a nonvolatile memory or a volatile memory.
6. writing station as claimed in claim 5; It is characterized in that; Said data drive circuit also is used for a plurality of photoreceptor signals that said storer is stored and converts said a plurality of data-signal into and be fed into said pixel-array unit, another duplicative show media is carried out writing running according to this.
7. a writing station is characterized in that, the said write device is used for a duplicative show media carried out and writes running to show a picture, and the said write device comprises:
One driver element is used to provide a plurality of data-signals;
One pixel-array unit; Be electrically connected on said driver element to receive said a plurality of data-signal, be used for said a plurality of data-signals are write said duplicative show media, show said picture according to this; Said pixel-array unit comprises a plurality of pixel cells, and each pixel cell comprises:
One pixel electrode is electrically connected on said driver element to receive a corresponding data-signal of said a plurality of data-signals; And
One photoinduction element is embedded in the said pixel electrode, and the reflected light that is used for responding to said duplicative show media is to produce a photoreceptor signal;
One luminescence unit is used to provide a light source, and said light source is to shine said duplicative show media through said pixel-array unit; And
A plurality of rolling units are used for the said duplicative show media of transmission;
Wherein said driver element further is used for according to said photoreceptor signal to adjust said corresponding data signal.
8. writing station as claimed in claim 7 is characterized in that, said driver element also is used to provide uses voltage altogether, and the said write device also comprises:
Use electrode altogether, be electrically connected on said driver element to receive said common voltage.
9. writing station as claimed in claim 8 is characterized in that, said common electrode is a drum-type electrode.
10. writing station as claimed in claim 7 is characterized in that, said duplicative show media comprises uses electrode, said driver element also to be used to provide the common electrode that is fed into said duplicative show media altogether with voltage altogether.
11. writing station as claimed in claim 7 is characterized in that, said driver element comprises:
One data drive circuit is electrically connected on said pixel-array unit, is used for converting a plurality of image input signals into said a plurality of data-signal; And
One feedback processing circuit is electrically connected on said data drive circuit and said photoinduction element, is used for being fed into said data drive circuit according to said photoreceptor signal so that a feedback signal to be provided;
Wherein said data drive circuit according to said feedback signal to adjust said corresponding data signal.
12. writing station as claimed in claim 11 is characterized in that, said driver element also comprises:
One storer is electrically connected on said data drive circuit and said photoinduction element, is used for storing said photoreceptor signal;
Wherein said storer is a nonvolatile memory or a volatile memory.
13. writing station as claimed in claim 12; It is characterized in that; Said data drive circuit also is used for a plurality of photoreceptor signals that said storer is stored and converts said a plurality of data-signal into and be fed into said pixel-array unit, another duplicative show media is carried out writing running according to this.
14. writing station as claimed in claim 7 also comprises:
One unit of erasing is arranged at a side of said pixel-array unit, a picture before the said duplicative show media that is used for erasing.
15. writing station as claimed in claim 14 is characterized in that, the said unit of erasing comprises:
One voltage of erasing provides the unit, is used to provide the required at least one voltage of erasing of a picture before the said duplicative show media of erasing; And
At least one electrode of erasing is electrically connected on the said voltage of erasing the unit is provided, and is used for receiving said at least one voltage of erasing.
16. writing station as claimed in claim 15 is characterized in that, said at least one electrode of erasing is a drum-type electrode.
17. writing station as claimed in claim 7 is characterized in that, said a plurality of rolling units comprise a plurality of cylinders and/or a plurality of roller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010145343A CN102194413B (en) | 2010-03-19 | 2010-03-19 | Writing-in device for rewritable displaying medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010145343A CN102194413B (en) | 2010-03-19 | 2010-03-19 | Writing-in device for rewritable displaying medium |
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| CN102194413A CN102194413A (en) | 2011-09-21 |
| CN102194413B true CN102194413B (en) | 2012-10-03 |
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| CN102637413B (en) * | 2012-05-08 | 2014-03-26 | 王韬 | Printing device and printing method for electronic paper |
| CN108447443B (en) * | 2018-05-14 | 2020-01-21 | 京东方科技集团股份有限公司 | Pixel circuit, driving method and display device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247362A (en) * | 1998-08-05 | 2000-03-15 | 阿尔卑斯电气株式会社 | LCD having reduced carton residual image and having background light |
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| US6897843B2 (en) * | 2001-07-14 | 2005-05-24 | Koninklijke Philips Electronics N.V. | Active matrix display devices |
| JPWO2009104667A1 (en) * | 2008-02-21 | 2011-06-23 | シャープ株式会社 | Display device with optical sensor |
| JP2009251009A (en) * | 2008-04-01 | 2009-10-29 | Seiko Epson Corp | Display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1247362A (en) * | 1998-08-05 | 2000-03-15 | 阿尔卑斯电气株式会社 | LCD having reduced carton residual image and having background light |
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| JP特开2009-251009A 2009.10.29 |
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